<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>盒子练习</title>
    <style>
        .one{
            border: 2px solid blue;
            width: 300px;
            height: 200px;
        }
        .one>p{
           margin-left: 30px;
            margin-top: 20px;
        }
        aside{
            border: 2px solid red;
            height: 800px;
        }
        nav{
            background-image: url("../../image/girl/yuwen1.JPG");
            width:245px;height:300px;
            background-size: 245px 300px;
            position: relative;
            left: 2px;top: 2px;
        }
        nav:hover{
            background-image: url("../../image/girl/yuwen2.JPG");
            transition: background-image 2s;
            border-radius: 50%;
        }
        .img{
            width: 400px; height:500px; border: 2px solid gray;
        }
        .img>div{
            width: 300px;height: 300px;
            border: 1px solid cornflowerblue;
            background-image: url("../../image/girl/yihan1.JPG");
            background-size: 200px 255px;
            border-radius: 50%;
            position: fixed;
            right: 150px; bottom: 20px;
            z-index: 1;
        }
        .img>section{
            width: 300px;height: 300px;
            border: 1px solid cornflowerblue;
            background-image: url("../../image/girl/jiaxin1.JPG");
            background-size: 200px 255px;
            border-radius: 50%;
            position: fixed;
            right: 1px; bottom: 20px;
        }
    </style>
</head>
<body>
    <div>
        <p>这是第一个盒子</p>
    </div>
<aside>
    <section class="one">
        <p>第一个部分的section</p>
    </section>
    <section class="two">
        第二个部分的section
    </section>
    <nav>
    </nav>
</aside>
<div class="img">
    <div></div>
    <section></section>
</div>
</body>
</html>